of this secondary radiation. In order to study the directionality of this effect, Cerenkov designed the experimental setup illustrated in Figure 2 using a conical mirror that reflected incoming radiation against a photographic plate located above a fluid-filled vessel. Photographs of the reflected light represent cases of ordinary luminescence
A sigil (/ËsÉªdÊÉl/; pl. sigilla or sigils; from Latin sigillum seal) is a symbol used in magic. The term has usually referred to a type of pictorial signature of a demon or other entity; in modern usage, especially in the context of chaos magic, it refers to a symbolic representation of the magician's desired outcome.
Sigil of the Archangel. The Power of Sigils Sigils are magical symbols used for the invocation of spirits. They are usually used in conjunction with prayer, incantations or meditation to invoke the power of the spirit they represent. The Archangel sigils come from the ancient book The Key of King Solomon which contains sigils and invocations used to call forth the power of the Archangels.